Blumea bifoliata

Blumea bifoliata (L.) DC., 14 1834. (Syn: Conyza bifoliata L. (ambiguous synonym)) as per Catalogue of Life; 

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Viscid pubescent herbs; stems branched from base, ascending, upto 3 m tall, villous, terete. Leaves alternate, oblong-spathulate, 2-7 x 1.5-3 cm, membranous, softly pubescent above and below, glandular; glands stalked, lower leaves cuneate, decurrent to petiole, upper ones truncate, acute, dentate, subsessile, uppermost opposite. Heads yellow, terminal and axillary, 1 or 2, upto 7 mm in diam., pedunculate. Outer involucral bracts lanceolate, acuminate, 4 x 0.3 mm, densely strigose, curved; inner ones linear-lanceolate, acuminate, 6 x 0.2 mm, scarious, sparsely strigose hairy, glandular. Corolla of bisexual florets tubualr, 2.5-4 mm long, 5-lobed; lobes hairy; corolla of female florets filiform, 3.5-4 mm, 2-3-lobed, glabrous. Achenes narrowly oblong with 4-5 hairy angles; pappus white, 2.5-4.5 mm long.

(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi from India Biodiversity Portal)